Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a top view thereof, the bottom view being identical;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a fragmentary enlarged front view thereof;

FIG. 7 is a cross-section view taken along line 7-7 in FIG. 6;

FIG. 8 is a cross-section view taken along line 8-8 in FIG. 6; and,

FIG. 9 is a cross-section view taken along line 9-9 in FIG. 6.

Broken lines show environmental portions of a tire tread that are not being claimed, and form no part of the claimed design. The light stippled surface shading represents the surface of the tire tread, and the dark stippled surface shading represents the recessed portion of the tread grooves, having the depth as shown in FIGS. 7, 8 and 9. 

CLAIM The ornamental design for a tire tread, as shown and described. 